・This is the eye structure model B from Eugene's Human Anatomy Illustrated II. ・Purchased a long time ago, opened, and displayed for a short while. ・There may be some discoloration due to aging. ・Please check the images for the condition of the product. ・Please purchase if you understand that this item has been stored at home and inspected by an amateur. ・Please feel free to contact me if you have any questions about the product or would like additional photos.